/***************common style***************/
*{
    margin:0;
    padding:0;
}
li{
    list-style: none;
}
a{
    text-decoration: none;
}
.clear{
    clear: both;
}
/***************common style***************/
/***************header style***************/
header{
    width:80%;
    height: 100px;
    margin:0 auto;
}
/***************header style**************/
/***************main style***************/
main{
    width:80%;
    background: white;
    margin:0 auto;
}
/***************main_t style***************/
.main_t{
    width:100%;
    height:40px;
    padding-top: 2%;
    background: #dafffa;
    /*background:white;*/
}
/***************main_t style***************/
/***************main_m style***************/
.main_m{
    width:100%;
    height:60px;
    background:#e4e9df;
}
.main_m nav{
    width:80%;
    height:60px;
    /*background:white;*/
    margin:0 auto;
}
.main_m nav li{
    width:14%;
    height:60px;
    background:#e4e9df;
    float:left;
    text-align:center;
    line-height:60px;
}
.main_m nav li a{
    color:black;
    font-size:20px;
}
.main_m nav li:hover a{
    color:white;
}
.main_m nav li:nth-child(1) a{
    color:white;
}
.main_m nav li:nth-child(1){
    background:orange;
}
/***************main_m style***************/
/***************main_b style***************/
.main_b{
    width: 100%;
    float:left;
    background: #f2f2f2;
}
.main_b  .text{
    width: 90%;
    float: left;
    margin-left: 5%;
    background: #cacaca;
    padding: 1%;
    margin-top: 2%;
    margin-bottom: 2%;
}
.main_b  .text .p{
    width:30%;
    height:40px;
    margin-right:30px;
    float:right;
}
.text span{
    width: 10%;
    height: 40px;
    float: left;
    margin-left: 1%;
    /*background: deepskyblue;*/
}
.text select{
    width: 100%;
    height: 30px;
    margin-left: 5%;
}
.text .button{
    width: 80%;
    /*height: 20px;*/
    /*background: blue;*/
    float: left;
    margin-left: 11%;
    margin-top: 1%;
}
.button span{
    width: 40%;
}
.button span:nth-child(2){
    margin-left:19%;
}
/***************main_b style***************/
/***************footer style***************/
footer{
    width: 80%;
    height: 50px;
    float: left;
    margin-left: 10%;
    margin-top: 1%;
    background: #e4e9df;
}
/***************footer style***************/
